Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/11/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 06/11/2025 21:33:15 73.82,-154.15 50.92 06/11/2025 21:34:05 73.82,-154.17 50.91 0.68 50
2 06/11/2025 22:23:58 -73.76, 13.31 129.15 06/11/2025 22:23:27 -73.76, 13.37 129.15 1.89 31
3 06/14/2025 07:54:56 -73.84,-129.62 129.19 06/14/2025 07:55:52 -73.85,-129.59 129.19 1.61 56
4 06/14/2025 08:45:40 73.75, 37.90 50.72 06/14/2025 08:45:12 73.73, 37.83 50.71 3.24 28
5 06/16/2025 18:16:39 73.88,-105.14 50.78 06/16/2025 18:17:36 73.87,-105.04 50.74 3.62 57
6 06/16/2025 19:07:21 -73.77, 62.43 129.34 06/16/2025 19:06:58 -73.80, 62.48 129.32 3.13 23
7 06/19/2025 04:38:18 -73.86, -80.50 129.29 06/19/2025 04:39:22 -73.87, -80.54 129.30 1.25 64
8 06/19/2025 05:29:02 73.77, 87.01 50.61 06/19/2025 05:28:41 73.80, 87.00 50.65 3.32 21
9 06/21/2025 15:00:00 73.86, -55.93 50.71 06/21/2025 15:01:06 73.86, -56.03 50.69 3.33 66
10 06/21/2025 15:50:43 -73.80, 111.53 129.36 06/21/2025 15:50:28 -73.79, 111.48 129.37 2.37 15
11 06/24/2025 01:21:41 -73.89, -31.42 129.22 06/24/2025 01:22:52 -73.88, -31.48 129.25 2.56 71
12 06/24/2025 02:12:25 73.80, 136.10 50.68 06/24/2025 02:12:11 73.82, 136.07 50.70 1.96 14

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/11/2025
SNOs_Map_NOAA-20_TERRA_20250611.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/11/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA